ci: bump SELint version to 1.5.0

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>

.github/workflows/tests.yml

@@ -28,8 +28,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         repository: SELinuxProject/selint
-        # support exclusions in interface arguments
-        ref: 'v1.3.0'
+        ref: 'v1.5.0'
         path: selint
 
     - name: Build SELint